Stair-climbing hand cart



FIG. 1 is a front elevation view of a stair-climbing hand cart showing my new design;

FIG. 2 is a rear elevation view;

FIG. 3 is a right elevation;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and,

FIG. 6 is an isometric view of a stair-climbing hand cart. 

The ornamental design for a stair-climbing hand cart, as shown and described. 